CN209116299U - A kind of heat radiating fin structure - Google Patents
A kind of heat radiating fin structure Download PDFInfo
- Publication number
- CN209116299U CN209116299U CN201822260808.XU CN201822260808U CN209116299U CN 209116299 U CN209116299 U CN 209116299U CN 201822260808 U CN201822260808 U CN 201822260808U CN 209116299 U CN209116299 U CN 209116299U
- Authority
- CN
- China
- Prior art keywords
- radiating fin
- piece
- fin structure
- heat radiating
- heat sink
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to cooling fin technical fields, more particularly to a kind of heat radiating fin structure, it includes heat sink body and multiple riveting needles, the heat sink body includes first, perpendicular to second of described first and perpendicular to described first and second third piece, second bottom end and the bottom end of the third piece flush, multiple riveting needle parts are set to second bottom end, and another part is set to the bottom end of the third piece.The utility model can be good at realizing positioning balance, line assembling production easy to produce by the way that multiple riveting needles are arranged in heat sink body.
Description
Technical field
The utility model relates to cooling fin technical field more particularly to a kind of heat radiating fin structures.
Background technique
LED (Light Emitting Diode) is as a kind of outstanding semiconductor photoelectric device, power consumption small in size with its
The advantages that measuring low, long service life, environmental protection is expected to become the ideal solid-state Energy -- Saving Illuminating Source of a new generation.As LED is to bloom
By force, high power develops, and heat dissipation problem is outstanding day by day, and one side power becomes greatly, and LED encapsulation structure also becomes increasingly complex；
The volume of another aspect LED is smaller and smaller, causes power density more and more big, therefore solves heat dissipation problem and become particularly important.
In the prior art, it is that it is individually thermally conductive that aluminium heat sink is often installed on the big electric elements of calorific value such as PCB
Heat dissipation.But due to the factors such as component size is small, it is difficult to be accurately positioned in assembling, to increase production operation difficulty, influences
Production efficiency.
Therefore, a kind of heat radiating fin structure is needed to solve the above technical problems.
Utility model content
It is fixed when installation cooling fin is installed to PCB to solve the purpose of this utility model is to provide a kind of heat radiating fin structure
The difficult problem in position.
For this purpose, the utility model uses following technical scheme:
A kind of heat radiating fin structure, including heat sink body and multiple riveting needles, the heat sink body includes first, vertical
In second of described first and both perpendicular to described first and described second third piece, described second
Bottom end and the bottom end of the third piece flush, and multiple riveting needle parts are set to second bottom end, and another part is set
It is placed in the bottom end of the third piece.
Further, mounting hole is provided on each riveting needle, described second corresponding with the third on piece every
A riveting needle is equipped with protrusion, and the protrusion and the mounting hole are mating.
Further, the multiple riveting needle and the heat sink body pass through soldering and welding.
Further, the heat sink body, which is adopted, is formed from aluminium.
Further, the riveting needle is made of brass, and the surface of the riveting needle is coated with tin layers.
Further, the riveting needle includes first, second and third portion, and described first is used for and the cooling fin
Main body is connected, and the third portion is used for the location hole being plugged on PCB, and step is equipped between described second and the third portion
Face, when the third portion is plugged to the location hole on PCB, the step surface can be abutted with the end face of PCB.
Further, described first, be provided in any one or more in second and the third piece
Heat release hole.
The utility model has the beneficial effects that
(1) the utility model is inserted by the way that multiple riveting needles are arranged in heat sink body by the location hole on riveting needle and PCB
Connect the positioning balance that can be good at realizing cooling fin, line assembling production easy to produce.
(2) brass is set by the main material of riveting needle, can guarantees its outstanding conductive characteristic.
(3) it is coated with tin in riveting wire surface, riveting needle can be welded on element by soldering, it is fixed reliable and tin plating
The interference of other electric elements, is conducive to be grounded around capable of shielding.
Detailed description of the invention
Fig. 1 is the schematic diagram of the provided heat radiating fin structure of the utility model；
Fig. 2 is the structural schematic diagram of riveting needle in the utility model.
In figure:
1, heat sink body；11, first；12, second；13, third piece；
2, riveting needle；21, first；22, second；23, third portion.
Specific embodiment
The technical solution of the utility model is further illustrated with embodiment with reference to the accompanying drawing.It is understood that this
Locate described specific embodiment and is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
Illustrate, illustrates only part relevant to the utility model for ease of description, in attached drawing and not all.
As shown in Figure 1, the face XY, the face YZ and the face XZ three are mutually perpendicular to, the utility model provides a kind of heat radiating fin structure, packet
Heat sink body 1 and multiple riveting needles 2 are included, heat sink body 1 includes first 11 for being parallel to the face XY, is parallel to the second of the face YZ
Piece 12 and the third piece 13 for being parallel to the face XZ, second 12 bottom end and the bottom end of third piece 13 flush, multiple 2 parts of riveting needle
It is set to second 12 bottom end, another part is set to the bottom end of third piece 13.
Protrusion there are two setting is pressed on second 12, pressure is equipped with a protrusion on third piece 13, opens on first 21 of riveting needle 2
Equipped with the mounting hole that can be matched with above-mentioned protrusion, by the way that riveting needle is assembled into heat sink body 1, can be realized riveting needle 2 with
The quick assembling of heat sink body 1.
In the present embodiment, there are two riveting needles 2 for installation on second 12, and a riveting needle 2 is equipped on third piece 13, when
When heat radiating fin structure is installed on PCB, triangular structure is constituted by three riveting needles 2, it is ensured that heat sink body 1 and PCB
Stable connection certainly in other embodiments, can also be according to actual needs to the riveting needle 2 installed in heat sink body 1
Quantity and position are adjusted.
Riveting needle 2 includes first 21, second 22 and third portion 23, and first 21 is used to be connected with heat sink body 1, the
Three 23 mounting holes for being plugged on PCB are equipped with step surface, when third portion 23 is used between second 22 and third portion 23
When the location hole being plugged on PCB, step surface can be abutted with the end face of PCB.By the way that step surface is arranged, cooling fin can be steady with PCB
It is fixed to abut, guarantee the reliability of connection.
It is provided with heat release hole in any one or more in first 11, second 12 and third piece 13, it can be effective
Improving radiating effect.
Multiple riveting needles 2 pass through soldering and welding with heat sink body 1, convenient and efficient.
Heat sink body 1 is made of aluminum, can save cost；Riveting needle 2 is made of brass, and is coated with tin on its surface
Layer, not only can guarantee that riveting needle 2 can also be welded in heat sink body 1 by its outstanding conductive characteristic by soldering, fixed reliable；
And the tin plating interference that can shield other electric elements of surrounding, is conducive to be grounded.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (7)
1. a kind of heat radiating fin structure, which is characterized in that including heat sink body (1) and multiple riveting needles (2), the heat sink body
(1) including first (11), perpendicular to second (12) of first (11) and both perpendicular to described first
(11) and the third piece (13) of second (12), the bottom end of second (12) and the bottom end of the third piece (13) are neat
Flat, multiple riveting needles (2) are partially set to the bottom end of second (12), and another part is set to the third piece (13)
Bottom end.
2. heat radiating fin structure according to claim 1, which is characterized in that be provided with installation on each riveting needle (2)
Hole corresponds to each riveting needle (2) on second (12) and the third piece (13) and is equipped with protrusion, the protrusion and institute
It is mating to state mounting hole.
3. heat radiating fin structure according to claim 1, which is characterized in that the multiple riveting needle (2) and the cooling fin master
Body (1) passes through soldering and welding.
4. heat radiating fin structure according to claim 1, which is characterized in that the heat sink body (1), which is adopted, to be formed from aluminium.
5. heat radiating fin structure according to claim 1, which is characterized in that the riveting needle (2) is made of brass, and described
The surface of riveting needle (2) is coated with tin layers.
6. heat radiating fin structure according to claim 1, which is characterized in that the riveting needle (2) includes first (21), second
Portion (22) and third portion (23), described first (21) are used to be connected with the heat sink body (1), and the third portion (23) is used
Step surface is equipped between the location hole being plugged on PCB, second (22) and the third portion (23), when the third
When portion (23) is plugged to the location hole on PCB, the step surface can be abutted with the end face of PCB.
7. heat radiating fin structure according to claim 1, which is characterized in that first (11), second (12)
Be provided with heat release hole in any one or more in the third piece (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822260808.XU CN209116299U (en) | 2018-12-29 | 2018-12-29 | A kind of heat radiating fin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822260808.XU CN209116299U (en) | 2018-12-29 | 2018-12-29 | A kind of heat radiating fin structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209116299U true CN209116299U (en) | 2019-07-16 |
Family
ID=67209015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822260808.XU Withdrawn - After Issue CN209116299U (en) | 2018-12-29 | 2018-12-29 | A kind of heat radiating fin structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209116299U (en) |
-
2018
- 2018-12-29 CN CN201822260808.XU patent/CN209116299U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190716 Effective date of abandoning: 20220804 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190716 Effective date of abandoning: 20220804 |